forked from OSchip/llvm-project
Sanjay Patel
parent
395281cfc3
commit
0417c7c3ef
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@ -1,3 +1,4 @@
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
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; RUN: opt < %s -instcombine -S | FileCheck %s
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target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f32:32:32-f64:64:64-v64:64:64-v128:128:128-a0:0:64-s0:64:64-f80:128:128-n8:16:32:64"
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@ -6,117 +7,137 @@ target datalayout = "e-p:64:64:64-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:64:64-f3
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declare void @use(i32)
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define i64 @test1(i64 %a) {
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: [[B:%.*]] = trunc i64 %a to i32
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; CHECK-NEXT: [[C:%.*]] = and i64 %a, 15
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; CHECK-NEXT: call void @use(i32 [[B]])
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; CHECK-NEXT: ret i64 [[C]]
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;
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%b = trunc i64 %a to i32
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%c = and i32 %b, 15
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%d = zext i32 %c to i64
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call void @use(i32 %b)
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ret i64 %d
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; CHECK-LABEL: @test1(
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; CHECK-NOT: ext
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; CHECK: ret
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}
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define i64 @test2(i64 %a) {
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: [[B:%.*]] = trunc i64 %a to i32
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; CHECK-NEXT: [[D1:%.*]] = shl i64 %a, 36
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; CHECK-NEXT: [[D:%.*]] = ashr exact i64 [[D:%.*]]1, 36
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; CHECK-NEXT: call void @use(i32 [[B]])
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; CHECK-NEXT: ret i64 [[D]]
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;
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%b = trunc i64 %a to i32
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%c = shl i32 %b, 4
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%q = ashr i32 %c, 4
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%d = sext i32 %q to i64
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call void @use(i32 %b)
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ret i64 %d
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; CHECK-LABEL: @test2(
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; CHECK: shl i64 %a, 36
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; CHECK: %d = ashr exact i64 {{.*}}, 36
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; CHECK: ret i64 %d
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}
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define i64 @test3(i64 %a) {
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: [[B:%.*]] = trunc i64 %a to i32
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; CHECK-NEXT: [[C:%.*]] = and i64 %a, 8
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; CHECK-NEXT: call void @use(i32 [[B]])
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; CHECK-NEXT: ret i64 [[C]]
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;
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%b = trunc i64 %a to i32
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%c = and i32 %b, 8
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%d = zext i32 %c to i64
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call void @use(i32 %b)
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ret i64 %d
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; CHECK-LABEL: @test3(
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; CHECK-NOT: ext
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; CHECK: ret
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}
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define i64 @test4(i64 %a) {
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: [[B:%.*]] = trunc i64 %a to i32
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; CHECK-NEXT: [[C:%.*]] = and i64 %a, 8
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; CHECK-NEXT: [[X:%.*]] = xor i64 [[C]], 8
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; CHECK-NEXT: call void @use(i32 [[B]])
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; CHECK-NEXT: ret i64 [[X]]
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;
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%b = trunc i64 %a to i32
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%c = and i32 %b, 8
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%x = xor i32 %c, 8
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%d = zext i32 %x to i64
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call void @use(i32 %b)
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ret i64 %d
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; CHECK-LABEL: @test4(
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; CHECK: = and i64 %a, 8
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; CHECK: = xor i64 {{.*}}, 8
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; CHECK-NOT: ext
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; CHECK: ret
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}
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define i32 @test5(i32 %A) {
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: [[C:%.*]] = lshr i32 %A, 16
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; CHECK-NEXT: ret i32 [[C]]
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;
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%B = zext i32 %A to i128
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%C = lshr i128 %B, 16
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%D = trunc i128 %C to i32
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ret i32 %D
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; CHECK-LABEL: @test5(
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; CHECK: %C = lshr i32 %A, 16
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; CHECK: ret i32 %C
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}
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define i32 @test6(i64 %A) {
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; CHECK-LABEL: @test6(
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; CHECK-NEXT: [[C:%.*]] = lshr i64 %A, 32
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; CHECK-NEXT: [[D:%.*]] = trunc i64 [[C]] to i32
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; CHECK-NEXT: ret i32 [[D]]
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;
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%B = zext i64 %A to i128
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%C = lshr i128 %B, 32
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%D = trunc i128 %C to i32
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ret i32 %D
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; CHECK-LABEL: @test6(
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; CHECK: %C = lshr i64 %A, 32
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; CHECK: %D = trunc i64 %C to i32
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; CHECK: ret i32 %D
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}
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define i92 @test7(i64 %A) {
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; CHECK-LABEL: @test7(
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; CHECK-NEXT: [[B:%.*]] = zext i64 %A to i92
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; CHECK-NEXT: [[C:%.*]] = lshr i92 [[B]], 32
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; CHECK-NEXT: ret i92 [[C]]
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;
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%B = zext i64 %A to i128
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%C = lshr i128 %B, 32
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%D = trunc i128 %C to i92
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ret i92 %D
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; CHECK-LABEL: @test7(
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; CHECK: %B = zext i64 %A to i92
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; CHECK: %C = lshr i92 %B, 32
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; CHECK: ret i92 %C
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}
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define i64 @test8(i32 %A, i32 %B) {
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; CHECK-LABEL: @test8(
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; CHECK-NEXT: [[TMP38:%.*]] = zext i32 %A to i64
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; CHECK-NEXT: [[TMP32:%.*]] = zext i32 %B to i64
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; CHECK-NEXT: [[TMP33:%.*]] = shl nuw i64 [[TMP32]], 32
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; CHECK-NEXT: [[INS35:%.*]] = or i64 [[TMP33]], [[TMP38]]
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; CHECK-NEXT: ret i64 [[INS35]]
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;
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%tmp38 = zext i32 %A to i128
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%tmp32 = zext i32 %B to i128
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%tmp33 = shl i128 %tmp32, 32
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%ins35 = or i128 %tmp33, %tmp38
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%tmp42 = trunc i128 %ins35 to i64
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ret i64 %tmp42
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; CHECK-LABEL: @test8(
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; CHECK: %tmp38 = zext i32 %A to i64
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; CHECK: %tmp32 = zext i32 %B to i64
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; CHECK: %tmp33 = shl nuw i64 %tmp32, 32
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; CHECK: %ins35 = or i64 %tmp33, %tmp38
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; CHECK: ret i64 %ins35
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}
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define i8 @test9(i32 %X) {
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; CHECK-LABEL: @test9(
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; CHECK-NEXT: [[X_TR:%.*]] = trunc i32 %X to i8
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; CHECK-NEXT: [[Z:%.*]] = and i8 [[X_TR]], 42
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; CHECK-NEXT: ret i8 [[Z]]
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;
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%Y = and i32 %X, 42
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%Z = trunc i32 %Y to i8
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ret i8 %Z
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; CHECK-LABEL: @test9(
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; CHECK: trunc
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; CHECK: and
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; CHECK: ret
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}
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; rdar://8808586
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define i8 @test10(i32 %X) {
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; CHECK-LABEL: @test10(
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; CHECK-NEXT: [[Y:%.*]] = trunc i32 %X to i8
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; CHECK-NEXT: [[Z:%.*]] = and i8 [[Y]], 42
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; CHECK-NEXT: ret i8 [[Z]]
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;
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%Y = trunc i32 %X to i8
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%Z = and i8 %Y, 42
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ret i8 %Z
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; CHECK-LABEL: @test10(
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; CHECK: trunc
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; CHECK: and
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; CHECK: ret
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}
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; PR25543
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@ -124,171 +145,201 @@ define i8 @test10(i32 %X) {
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; This is an extractelement.
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define i32 @trunc_bitcast1(<4 x i32> %v) {
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; CHECK-LABEL: @trunc_bitcast1(
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; CHECK-NEXT: [[EXT:%.*]] = extractelement <4 x i32> %v, i32 1
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; CHECK-NEXT: ret i32 [[EXT]]
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;
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%bc = bitcast <4 x i32> %v to i128
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%shr = lshr i128 %bc, 32
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%ext = trunc i128 %shr to i32
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ret i32 %ext
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; CHECK-LABEL: @trunc_bitcast1(
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; CHECK-NEXT: %ext = extractelement <4 x i32> %v, i32 1
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; CHECK-NEXT: ret i32 %ext
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}
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; A bitcast may still be required.
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define i32 @trunc_bitcast2(<2 x i64> %v) {
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; CHECK-LABEL: @trunc_bitcast2(
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; CHECK-NEXT: [[BC1:%.*]] = bitcast <2 x i64> %v to <4 x i32>
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; CHECK-NEXT: [[EXT:%.*]] = extractelement <4 x i32> [[BC1]], i32 2
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; CHECK-NEXT: ret i32 [[EXT]]
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;
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%bc = bitcast <2 x i64> %v to i128
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%shr = lshr i128 %bc, 64
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%ext = trunc i128 %shr to i32
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ret i32 %ext
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; CHECK-LABEL: @trunc_bitcast2(
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; CHECK-NEXT: %bc1 = bitcast <2 x i64> %v to <4 x i32>
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; CHECK-NEXT: %ext = extractelement <4 x i32> %bc1, i32 2
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; CHECK-NEXT: ret i32 %ext
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}
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; The right shift is optional.
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define i32 @trunc_bitcast3(<4 x i32> %v) {
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; CHECK-LABEL: @trunc_bitcast3(
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; CHECK-NEXT: [[EXT:%.*]] = extractelement <4 x i32> %v, i32 0
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; CHECK-NEXT: ret i32 [[EXT]]
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;
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%bc = bitcast <4 x i32> %v to i128
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%ext = trunc i128 %bc to i32
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ret i32 %ext
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; CHECK-LABEL: @trunc_bitcast3(
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; CHECK-NEXT: %ext = extractelement <4 x i32> %v, i32 0
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; CHECK-NEXT: ret i32 %ext
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}
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; CHECK-LABEL: @trunc_shl_31_i32_i64(
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; CHECK: %val.tr = trunc i64 %val to i32
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; CHECK-NEXT: shl i32 %val.tr, 31
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define i32 @trunc_shl_31_i32_i64(i64 %val) {
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; CHECK-LABEL: @trunc_shl_31_i32_i64(
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; CHECK-NEXT: [[VAL_TR:%.*]] = trunc i64 %val to i32
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; CHECK-NEXT: [[TRUNC:%.*]] = shl i32 [[VAL_TR]], 31
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; CHECK-NEXT: ret i32 [[TRUNC]]
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;
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%shl = shl i64 %val, 31
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%trunc = trunc i64 %shl to i32
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ret i32 %trunc
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}
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; CHECK-LABEL: @trunc_shl_nsw_31_i32_i64(
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; CHECK: %val.tr = trunc i64 %val to i32
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; CHECK-NEXT: shl i32 %val.tr, 31
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define i32 @trunc_shl_nsw_31_i32_i64(i64 %val) {
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; CHECK-LABEL: @trunc_shl_nsw_31_i32_i64(
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; CHECK-NEXT: [[VAL_TR:%.*]] = trunc i64 %val to i32
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; CHECK-NEXT: [[TRUNC:%.*]] = shl i32 [[VAL_TR]], 31
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; CHECK-NEXT: ret i32 [[TRUNC]]
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;
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%shl = shl nsw i64 %val, 31
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%trunc = trunc i64 %shl to i32
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ret i32 %trunc
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}
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; CHECK-LABEL: @trunc_shl_nuw_31_i32_i64(
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; CHECK: %val.tr = trunc i64 %val to i32
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; CHECK-NEXT: shl i32 %val.tr, 31
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define i32 @trunc_shl_nuw_31_i32_i64(i64 %val) {
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; CHECK-LABEL: @trunc_shl_nuw_31_i32_i64(
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; CHECK-NEXT: [[VAL_TR:%.*]] = trunc i64 %val to i32
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; CHECK-NEXT: [[TRUNC:%.*]] = shl i32 [[VAL_TR]], 31
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; CHECK-NEXT: ret i32 [[TRUNC]]
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;
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%shl = shl nuw i64 %val, 31
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%trunc = trunc i64 %shl to i32
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ret i32 %trunc
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}
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; CHECK-LABEL: @trunc_shl_nsw_nuw_31_i32_i64(
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; CHECK: %val.tr = trunc i64 %val to i32
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; CHECK-NEXT: shl i32 %val.tr, 31
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define i32 @trunc_shl_nsw_nuw_31_i32_i64(i64 %val) {
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; CHECK-LABEL: @trunc_shl_nsw_nuw_31_i32_i64(
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; CHECK-NEXT: [[VAL_TR:%.*]] = trunc i64 %val to i32
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; CHECK-NEXT: [[TRUNC:%.*]] = shl i32 [[VAL_TR]], 31
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; CHECK-NEXT: ret i32 [[TRUNC]]
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;
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%shl = shl nsw nuw i64 %val, 31
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%trunc = trunc i64 %shl to i32
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ret i32 %trunc
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}
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; CHECK-LABEL: @trunc_shl_15_i16_i64(
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; CHECK: %val.tr = trunc i64 %val to i16
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; CHECK-NEXT: shl i16 %val.tr, 15
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define i16 @trunc_shl_15_i16_i64(i64 %val) {
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; CHECK-LABEL: @trunc_shl_15_i16_i64(
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; CHECK-NEXT: [[VAL_TR:%.*]] = trunc i64 %val to i16
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; CHECK-NEXT: [[TRUNC:%.*]] = shl i16 [[VAL_TR]], 15
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; CHECK-NEXT: ret i16 [[TRUNC]]
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;
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%shl = shl i64 %val, 15
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%trunc = trunc i64 %shl to i16
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ret i16 %trunc
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}
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; CHECK-LABEL: @trunc_shl_15_i16_i32(
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; CHECK: %val.tr = trunc i32 %val to i16
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; CHECK-NEXT: shl i16 %val.tr, 15
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define i16 @trunc_shl_15_i16_i32(i32 %val) {
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; CHECK-LABEL: @trunc_shl_15_i16_i32(
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; CHECK-NEXT: [[VAL_TR:%.*]] = trunc i32 %val to i16
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; CHECK-NEXT: [[TRUNC:%.*]] = shl i16 [[VAL_TR]], 15
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; CHECK-NEXT: ret i16 [[TRUNC]]
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;
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%shl = shl i32 %val, 15
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%trunc = trunc i32 %shl to i16
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ret i16 %trunc
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}
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; CHECK-LABEL: @trunc_shl_7_i8_i64(
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; CHECK: %val.tr = trunc i64 %val to i8
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; CHECK-NEXT: shl i8 %val.tr, 7
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define i8 @trunc_shl_7_i8_i64(i64 %val) {
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; CHECK-LABEL: @trunc_shl_7_i8_i64(
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; CHECK-NEXT: [[VAL_TR:%.*]] = trunc i64 %val to i8
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; CHECK-NEXT: [[TRUNC:%.*]] = shl i8 [[VAL_TR]], 7
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; CHECK-NEXT: ret i8 [[TRUNC]]
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;
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%shl = shl i64 %val, 7
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%trunc = trunc i64 %shl to i8
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ret i8 %trunc
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}
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; CHECK-LABEL: @trunc_shl_1_i2_i64(
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; CHECK: shl i64 %val, 1
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; CHECK-NEXT: trunc i64 %shl to i2
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define i2 @trunc_shl_1_i2_i64(i64 %val) {
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; CHECK-LABEL: @trunc_shl_1_i2_i64(
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; CHECK-NEXT: [[SHL:%.*]] = shl i64 %val, 1
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; CHECK-NEXT: [[TRUNC:%.*]] = trunc i64 [[SHL]] to i2
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; CHECK-NEXT: ret i2 [[TRUNC]]
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;
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%shl = shl i64 %val, 1
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%trunc = trunc i64 %shl to i2
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ret i2 %trunc
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}
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; CHECK-LABEL: @trunc_shl_1_i32_i64(
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; CHECK: %val.tr = trunc i64 %val to i32
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; CHECK-NEXT: shl i32 %val.tr, 1
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define i32 @trunc_shl_1_i32_i64(i64 %val) {
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; CHECK-LABEL: @trunc_shl_1_i32_i64(
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; CHECK-NEXT: [[VAL_TR:%.*]] = trunc i64 %val to i32
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; CHECK-NEXT: [[TRUNC:%.*]] = shl i32 [[VAL_TR]], 1
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; CHECK-NEXT: ret i32 [[TRUNC]]
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;
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%shl = shl i64 %val, 1
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%trunc = trunc i64 %shl to i32
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ret i32 %trunc
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}
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; CHECK-LABEL: @trunc_shl_16_i32_i64(
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; CHECK: %val.tr = trunc i64 %val to i32
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; CHECK-NEXT: shl i32 %val.tr, 16
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define i32 @trunc_shl_16_i32_i64(i64 %val) {
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; CHECK-LABEL: @trunc_shl_16_i32_i64(
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; CHECK-NEXT: [[VAL_TR:%.*]] = trunc i64 %val to i32
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; CHECK-NEXT: [[TRUNC:%.*]] = shl i32 [[VAL_TR]], 16
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; CHECK-NEXT: ret i32 [[TRUNC]]
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;
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%shl = shl i64 %val, 16
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%trunc = trunc i64 %shl to i32
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ret i32 %trunc
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}
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; CHECK-LABEL: @trunc_shl_33_i32_i64(
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; CHECK: ret i32 0
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define i32 @trunc_shl_33_i32_i64(i64 %val) {
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; CHECK-LABEL: @trunc_shl_33_i32_i64(
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; CHECK-NEXT: ret i32 0
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;
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%shl = shl i64 %val, 33
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%trunc = trunc i64 %shl to i32
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ret i32 %trunc
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}
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; CHECK-LABEL: @trunc_shl_32_i32_i64(
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; CHECK: ret i32 0
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define i32 @trunc_shl_32_i32_i64(i64 %val) {
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; CHECK-LABEL: @trunc_shl_32_i32_i64(
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; CHECK-NEXT: ret i32 0
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;
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%shl = shl i64 %val, 32
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%trunc = trunc i64 %shl to i32
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ret i32 %trunc
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}
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; TODO: Should be able to handle vectors
|
||||
; CHECK-LABEL: @trunc_shl_16_v2i32_v2i64(
|
||||
; CHECK: shl <2 x i64>
|
||||
define <2 x i32> @trunc_shl_16_v2i32_v2i64(<2 x i64> %val) {
|
||||
; CHECK-LABEL: @trunc_shl_16_v2i32_v2i64(
|
||||
; CHECK-NEXT: [[SHL:%.*]] = shl <2 x i64> %val, <i64 16, i64 16>
|
||||
; CHECK-NEXT: [[TRUNC:%.*]] = trunc <2 x i64> [[SHL]] to <2 x i32>
|
||||
; CHECK-NEXT: ret <2 x i32> [[TRUNC]]
|
||||
;
|
||||
%shl = shl <2 x i64> %val, <i64 16, i64 16>
|
||||
%trunc = trunc <2 x i64> %shl to <2 x i32>
|
||||
ret <2 x i32> %trunc
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @trunc_shl_nosplat_v2i32_v2i64(
|
||||
; CHECK: shl <2 x i64>
|
||||
define <2 x i32> @trunc_shl_nosplat_v2i32_v2i64(<2 x i64> %val) {
|
||||
; CHECK-LABEL: @trunc_shl_nosplat_v2i32_v2i64(
|
||||
; CHECK-NEXT: [[SHL:%.*]] = shl <2 x i64> %val, <i64 15, i64 16>
|
||||
; CHECK-NEXT: [[TRUNC:%.*]] = trunc <2 x i64> [[SHL]] to <2 x i32>
|
||||
; CHECK-NEXT: ret <2 x i32> [[TRUNC]]
|
||||
;
|
||||
%shl = shl <2 x i64> %val, <i64 15, i64 16>
|
||||
%trunc = trunc <2 x i64> %shl to <2 x i32>
|
||||
ret <2 x i32> %trunc
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @trunc_shl_31_i32_i64_multi_use(
|
||||
; CHECK: shl i64 %val, 31
|
||||
; CHECK-NOT: shl i32
|
||||
; CHECK: trunc i64 %shl to i32
|
||||
; CHECK-NOT: shl i32
|
||||
define void @trunc_shl_31_i32_i64_multi_use(i64 %val, i32 addrspace(1)* %ptr0, i64 addrspace(1)* %ptr1) {
|
||||
; CHECK-LABEL: @trunc_shl_31_i32_i64_multi_use(
|
||||
; CHECK-NEXT: [[SHL:%.*]] = shl i64 %val, 31
|
||||
; CHECK-NEXT: [[TRUNC:%.*]] = trunc i64 [[SHL]] to i32
|
||||
; CHECK-NEXT: store volatile i32 [[TRUNC]], i32 addrspace(1)* %ptr0, align 4
|
||||
; CHECK-NEXT: store volatile i64 [[SHL]], i64 addrspace(1)* %ptr1, align 8
|
||||
; CHECK-NEXT: ret void
|
||||
;
|
||||
%shl = shl i64 %val, 31
|
||||
%trunc = trunc i64 %shl to i32
|
||||
store volatile i32 %trunc, i32 addrspace(1)* %ptr0
|
||||
|
|
@ -296,109 +347,124 @@ define void @trunc_shl_31_i32_i64_multi_use(i64 %val, i32 addrspace(1)* %ptr0, i
|
|||
ret void
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @trunc_shl_lshr_infloop(
|
||||
; CHECK-NEXT: %tmp0 = lshr i64 %arg, 1
|
||||
; CHECK-NEXT: %tmp1 = shl i64 %tmp0, 2
|
||||
; CHECK-NEXT: %tmp2 = trunc i64 %tmp1 to i32
|
||||
; CHECK-NEXT: ret i32 %tmp2
|
||||
define i32 @trunc_shl_lshr_infloop(i64 %arg) {
|
||||
; CHECK-LABEL: @trunc_shl_lshr_infloop(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i64 %arg, 1
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = shl i64 [[TMP0]], 2
|
||||
; CHECK-NEXT: [[TMP2:%.*]] = trunc i64 [[TMP1]] to i32
|
||||
; CHECK-NEXT: ret i32 [[TMP2]]
|
||||
;
|
||||
%tmp0 = lshr i64 %arg, 1
|
||||
%tmp1 = shl i64 %tmp0, 2
|
||||
%tmp2 = trunc i64 %tmp1 to i32
|
||||
ret i32 %tmp2
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @trunc_shl_ashr_infloop(
|
||||
; CHECK-NEXT: %tmp0 = ashr i64 %arg, 3
|
||||
; CHECK-NEXT: %tmp1 = shl nsw i64 %tmp0, 2
|
||||
; CHECK-NEXT: %tmp2 = trunc i64 %tmp1 to i32
|
||||
; CHECK-NEXT: ret i32 %tmp2
|
||||
define i32 @trunc_shl_ashr_infloop(i64 %arg) {
|
||||
; CHECK-LABEL: @trunc_shl_ashr_infloop(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr i64 %arg, 3
|
||||
; CHECK-NEXT: [[TMP1:%.*]] = shl nsw i64 [[TMP0]], 2
|
||||
; CHECK-NEXT: [[TMP2:%.*]] = trunc i64 [[TMP1]] to i32
|
||||
; CHECK-NEXT: ret i32 [[TMP2]]
|
||||
;
|
||||
%tmp0 = ashr i64 %arg, 3
|
||||
%tmp1 = shl i64 %tmp0, 2
|
||||
%tmp2 = trunc i64 %tmp1 to i32
|
||||
ret i32 %tmp2
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @trunc_shl_shl_infloop(
|
||||
; CHECK-NEXT: %arg.tr = trunc i64 %arg to i32
|
||||
; CHECK-NEXT: %tmp2 = shl i32 %arg.tr, 3
|
||||
; CHECK-NEXT: ret i32 %tmp2
|
||||
define i32 @trunc_shl_shl_infloop(i64 %arg) {
|
||||
; CHECK-LABEL: @trunc_shl_shl_infloop(
|
||||
; CHECK-NEXT: [[ARG_TR:%.*]] = trunc i64 %arg to i32
|
||||
; CHECK-NEXT: [[TMP2:%.*]] = shl i32 [[ARG_TR]], 3
|
||||
; CHECK-NEXT: ret i32 [[TMP2]]
|
||||
;
|
||||
%tmp0 = shl i64 %arg, 1
|
||||
%tmp1 = shl i64 %tmp0, 2
|
||||
%tmp2 = trunc i64 %tmp1 to i32
|
||||
ret i32 %tmp2
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @trunc_shl_lshr_var(
|
||||
; CHECK-NEXT: %tmp0 = lshr i64 %arg, %val
|
||||
; CHECK-NEXT: %tmp0.tr = trunc i64 %tmp0 to i32
|
||||
; CHECK-NEXT: %tmp2 = shl i32 %tmp0.tr, 2
|
||||
; CHECK-NEXT: ret i32 %tmp2
|
||||
define i32 @trunc_shl_lshr_var(i64 %arg, i64 %val) {
|
||||
; CHECK-LABEL: @trunc_shl_lshr_var(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = lshr i64 %arg, %val
|
||||
; CHECK-NEXT: [[TMP0_TR:%.*]] = trunc i64 [[TMP0]] to i32
|
||||
; CHECK-NEXT: [[TMP2:%.*]] = shl i32 [[TMP0_TR]], 2
|
||||
; CHECK-NEXT: ret i32 [[TMP2]]
|
||||
;
|
||||
%tmp0 = lshr i64 %arg, %val
|
||||
%tmp1 = shl i64 %tmp0, 2
|
||||
%tmp2 = trunc i64 %tmp1 to i32
|
||||
ret i32 %tmp2
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @trunc_shl_ashr_var(
|
||||
; CHECK-NEXT: %tmp0 = ashr i64 %arg, %val
|
||||
; CHECK-NEXT: %tmp0.tr = trunc i64 %tmp0 to i32
|
||||
; CHECK-NEXT: %tmp2 = shl i32 %tmp0.tr, 2
|
||||
; CHECK-NEXT: ret i32 %tmp2
|
||||
define i32 @trunc_shl_ashr_var(i64 %arg, i64 %val) {
|
||||
; CHECK-LABEL: @trunc_shl_ashr_var(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = ashr i64 %arg, %val
|
||||
; CHECK-NEXT: [[TMP0_TR:%.*]] = trunc i64 [[TMP0]] to i32
|
||||
; CHECK-NEXT: [[TMP2:%.*]] = shl i32 [[TMP0_TR]], 2
|
||||
; CHECK-NEXT: ret i32 [[TMP2]]
|
||||
;
|
||||
%tmp0 = ashr i64 %arg, %val
|
||||
%tmp1 = shl i64 %tmp0, 2
|
||||
%tmp2 = trunc i64 %tmp1 to i32
|
||||
ret i32 %tmp2
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @trunc_shl_shl_var(
|
||||
; CHECK-NEXT: %tmp0 = shl i64 %arg, %val
|
||||
; CHECK-NEXT: %tmp0.tr = trunc i64 %tmp0 to i32
|
||||
; CHECK-NEXT: %tmp2 = shl i32 %tmp0.tr, 2
|
||||
; CHECK-NEXT: ret i32 %tmp2
|
||||
define i32 @trunc_shl_shl_var(i64 %arg, i64 %val) {
|
||||
; CHECK-LABEL: @trunc_shl_shl_var(
|
||||
; CHECK-NEXT: [[TMP0:%.*]] = shl i64 %arg, %val
|
||||
; CHECK-NEXT: [[TMP0_TR:%.*]] = trunc i64 [[TMP0]] to i32
|
||||
; CHECK-NEXT: [[TMP2:%.*]] = shl i32 [[TMP0_TR]], 2
|
||||
; CHECK-NEXT: ret i32 [[TMP2]]
|
||||
;
|
||||
%tmp0 = shl i64 %arg, %val
|
||||
%tmp1 = shl i64 %tmp0, 2
|
||||
%tmp2 = trunc i64 %tmp1 to i32
|
||||
ret i32 %tmp2
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @trunc_shl_v8i15_v8i32_15(
|
||||
; CHECK: %shl = shl <8 x i32> %a, <i32 15,
|
||||
; CHECK: trunc <8 x i32> %shl to <8 x i16>
|
||||
define <8 x i16> @trunc_shl_v8i15_v8i32_15(<8 x i32> %a) {
|
||||
; CHECK-LABEL: @trunc_shl_v8i15_v8i32_15(
|
||||
; CHECK-NEXT: [[SHL:%.*]] = shl <8 x i32> %a, <i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15>
|
||||
; CHECK-NEXT: [[CONV:%.*]] = trunc <8 x i32> [[SHL]] to <8 x i16>
|
||||
; CHECK-NEXT: ret <8 x i16> [[CONV]]
|
||||
;
|
||||
%shl = shl <8 x i32> %a, <i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15, i32 15>
|
||||
%conv = trunc <8 x i32> %shl to <8 x i16>
|
||||
ret <8 x i16> %conv
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @trunc_shl_v8i16_v8i32_16(
|
||||
; CHECK: %shl = shl <8 x i32> %a, <i32 16
|
||||
; CHECK: trunc <8 x i32> %shl to <8 x i16>
|
||||
define <8 x i16> @trunc_shl_v8i16_v8i32_16(<8 x i32> %a) {
|
||||
; CHECK-LABEL: @trunc_shl_v8i16_v8i32_16(
|
||||
; CHECK-NEXT: [[SHL:%.*]] = shl <8 x i32> %a, <i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16>
|
||||
; CHECK-NEXT: [[CONV:%.*]] = trunc <8 x i32> [[SHL]] to <8 x i16>
|
||||
; CHECK-NEXT: ret <8 x i16> [[CONV]]
|
||||
;
|
||||
%shl = shl <8 x i32> %a, <i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16, i32 16>
|
||||
%conv = trunc <8 x i32> %shl to <8 x i16>
|
||||
ret <8 x i16> %conv
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @trunc_shl_v8i16_v8i32_17(
|
||||
; CHECK: %shl = shl <8 x i32> %a, <i32 17
|
||||
; CHECK: %conv = trunc <8 x i32> %shl to <8 x i16>
|
||||
define <8 x i16> @trunc_shl_v8i16_v8i32_17(<8 x i32> %a) {
|
||||
; CHECK-LABEL: @trunc_shl_v8i16_v8i32_17(
|
||||
; CHECK-NEXT: [[SHL:%.*]] = shl <8 x i32> %a, <i32 17, i32 17, i32 17, i32 17, i32 17, i32 17, i32 17, i32 17>
|
||||
; CHECK-NEXT: [[CONV:%.*]] = trunc <8 x i32> [[SHL]] to <8 x i16>
|
||||
; CHECK-NEXT: ret <8 x i16> [[CONV]]
|
||||
;
|
||||
%shl = shl <8 x i32> %a, <i32 17, i32 17, i32 17, i32 17, i32 17, i32 17, i32 17, i32 17>
|
||||
%conv = trunc <8 x i32> %shl to <8 x i16>
|
||||
ret <8 x i16> %conv
|
||||
}
|
||||
|
||||
; CHECK-LABEL: @trunc_shl_v8i16_v8i32_4(
|
||||
; CHECK: %shl = shl <8 x i32> %a, <i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4>
|
||||
; CHECK: trunc <8 x i32> %shl to <8 x i16>
|
||||
define <8 x i16> @trunc_shl_v8i16_v8i32_4(<8 x i32> %a) {
|
||||
; CHECK-LABEL: @trunc_shl_v8i16_v8i32_4(
|
||||
; CHECK-NEXT: [[SHL:%.*]] = shl <8 x i32> %a, <i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4>
|
||||
; CHECK-NEXT: [[CONV:%.*]] = trunc <8 x i32> [[SHL]] to <8 x i16>
|
||||
; CHECK-NEXT: ret <8 x i16> [[CONV]]
|
||||
;
|
||||
%shl = shl <8 x i32> %a, <i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4, i32 4>
|
||||
%conv = trunc <8 x i32> %shl to <8 x i16>
|
||||
ret <8 x i16> %conv
|
||||
}
|
||||
|
||||
|
|
|
|||
Loading…
Reference in New Issue