forked from OSchip/llvm-project
283 lines
8.0 KiB
LLVM
283 lines
8.0 KiB
LLVM
; RUN: opt -instcombine -S -default-data-layout="p:32:32:32-p1:16:16:16-n8:16:32:64" < %s | FileCheck %s
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@G16 = internal constant [10 x i16] [i16 35, i16 82, i16 69, i16 81, i16 85,
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i16 73, i16 82, i16 69, i16 68, i16 0]
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@G16_as1 = internal addrspace(1) constant [10 x i16] [i16 35, i16 82, i16 69, i16 81, i16 85,
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i16 73, i16 82, i16 69, i16 68, i16 0]
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@GD = internal constant [6 x double]
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[double -10.0, double 1.0, double 4.0, double 2.0, double -20.0, double -40.0]
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%Foo = type { i32, i32, i32, i32 }
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@GS = internal constant %Foo { i32 1, i32 4, i32 9, i32 14 }
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@GStructArr = internal constant [4 x %Foo] [ %Foo { i32 1, i32 4, i32 9, i32 14 },
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%Foo { i32 5, i32 4, i32 6, i32 11 },
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%Foo { i32 6, i32 5, i32 9, i32 20 },
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%Foo { i32 12, i32 3, i32 9, i32 8 } ]
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define i1 @test1(i32 %X) {
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%P = getelementptr inbounds [10 x i16], [10 x i16]* @G16, i32 0, i32 %X
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%Q = load i16, i16* %P
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%R = icmp eq i16 %Q, 0
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ret i1 %R
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; CHECK-LABEL: @test1(
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; CHECK-NEXT: %R = icmp eq i32 %X, 9
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; CHECK-NEXT: ret i1 %R
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}
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define i1 @test1_noinbounds(i32 %X) {
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%P = getelementptr [10 x i16], [10 x i16]* @G16, i32 0, i32 %X
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%Q = load i16, i16* %P
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%R = icmp eq i16 %Q, 0
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ret i1 %R
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; CHECK-LABEL: @test1_noinbounds(
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; CHECK-NEXT: %R = icmp eq i32 %X, 9
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; CHECK-NEXT: ret i1 %R
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}
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define i1 @test1_noinbounds_i64(i64 %X) {
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%P = getelementptr [10 x i16], [10 x i16]* @G16, i64 0, i64 %X
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%Q = load i16, i16* %P
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%R = icmp eq i16 %Q, 0
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ret i1 %R
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; CHECK-LABEL: @test1_noinbounds_i64(
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; CHECK: %R = icmp eq i32 %1, 9
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; CHECK-NEXT: ret i1 %R
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}
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define i1 @test1_noinbounds_as1(i32 %x) {
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%p = getelementptr [10 x i16], [10 x i16] addrspace(1)* @G16_as1, i16 0, i32 %x
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%q = load i16, i16 addrspace(1)* %p
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%r = icmp eq i16 %q, 0
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ret i1 %r
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; CHECK-LABEL: @test1_noinbounds_as1(
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; CHECK-NEXT: trunc i32 %x to i16
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; CHECK-NEXT: %r = icmp eq i16 %1, 9
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; CHECK-NEXT: ret i1 %r
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}
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define i1 @test2(i32 %X) {
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%P = getelementptr inbounds [10 x i16], [10 x i16]* @G16, i32 0, i32 %X
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%Q = load i16, i16* %P
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%R = icmp slt i16 %Q, 85
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ret i1 %R
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; CHECK-LABEL: @test2(
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; CHECK-NEXT: %R = icmp ne i32 %X, 4
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; CHECK-NEXT: ret i1 %R
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}
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define i1 @test3(i32 %X) {
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%P = getelementptr inbounds [6 x double], [6 x double]* @GD, i32 0, i32 %X
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%Q = load double, double* %P
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%R = fcmp oeq double %Q, 1.0
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ret i1 %R
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; CHECK-LABEL: @test3(
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; CHECK-NEXT: %R = icmp eq i32 %X, 1
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; CHECK-NEXT: ret i1 %R
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}
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define i1 @test4(i32 %X) {
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%P = getelementptr inbounds [10 x i16], [10 x i16]* @G16, i32 0, i32 %X
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%Q = load i16, i16* %P
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%R = icmp sle i16 %Q, 73
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ret i1 %R
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; CHECK-LABEL: @test4(
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; CHECK-NEXT: lshr i32 933, %X
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; CHECK-NEXT: and i32 {{.*}}, 1
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; CHECK-NEXT: %R = icmp ne i32 {{.*}}, 0
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; CHECK-NEXT: ret i1 %R
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}
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define i1 @test4_i16(i16 %X) {
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%P = getelementptr inbounds [10 x i16], [10 x i16]* @G16, i32 0, i16 %X
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%Q = load i16, i16* %P
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%R = icmp sle i16 %Q, 73
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ret i1 %R
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; CHECK-LABEL: @test4_i16(
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; CHECK-NEXT: sext i16 %X to i32
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; CHECK-NEXT: lshr i32 933, %1
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; CHECK-NEXT: and i32 {{.*}}, 1
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; CHECK-NEXT: %R = icmp ne i32 {{.*}}, 0
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; CHECK-NEXT: ret i1 %R
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}
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define i1 @test5(i32 %X) {
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%P = getelementptr inbounds [10 x i16], [10 x i16]* @G16, i32 0, i32 %X
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%Q = load i16, i16* %P
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%R = icmp eq i16 %Q, 69
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ret i1 %R
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; CHECK-LABEL: @test5(
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; CHECK-NEXT: icmp eq i32 %X, 2
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; CHECK-NEXT: icmp eq i32 %X, 7
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; CHECK-NEXT: %R = or i1
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; CHECK-NEXT: ret i1 %R
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}
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define i1 @test6(i32 %X) {
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%P = getelementptr inbounds [6 x double], [6 x double]* @GD, i32 0, i32 %X
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%Q = load double, double* %P
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%R = fcmp ogt double %Q, 0.0
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ret i1 %R
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; CHECK-LABEL: @test6(
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; CHECK-NEXT: add i32 %X, -1
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; CHECK-NEXT: %R = icmp ult i32 {{.*}}, 3
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; CHECK-NEXT: ret i1 %R
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}
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define i1 @test7(i32 %X) {
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%P = getelementptr inbounds [6 x double], [6 x double]* @GD, i32 0, i32 %X
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%Q = load double, double* %P
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%R = fcmp olt double %Q, 0.0
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ret i1 %R
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; CHECK-LABEL: @test7(
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; CHECK-NEXT: add i32 %X, -1
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; CHECK-NEXT: %R = icmp ugt i32 {{.*}}, 2
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; CHECK-NEXT: ret i1 %R
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}
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define i1 @test8(i32 %X) {
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%P = getelementptr inbounds [10 x i16], [10 x i16]* @G16, i32 0, i32 %X
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%Q = load i16, i16* %P
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%R = and i16 %Q, 3
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%S = icmp eq i16 %R, 0
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ret i1 %S
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; CHECK-LABEL: @test8(
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; CHECK-NEXT: and i32 %X, -2
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; CHECK-NEXT: icmp eq i32 {{.*}}, 8
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; CHECK-NEXT: ret i1
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}
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@GA = internal constant [4 x { i32, i32 } ] [
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{ i32, i32 } { i32 1, i32 0 },
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{ i32, i32 } { i32 2, i32 1 },
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{ i32, i32 } { i32 3, i32 1 },
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{ i32, i32 } { i32 4, i32 0 }
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]
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define i1 @test9(i32 %X) {
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%P = getelementptr inbounds [4 x { i32, i32 } ], [4 x { i32, i32 } ]* @GA, i32 0, i32 %X, i32 1
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%Q = load i32, i32* %P
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%R = icmp eq i32 %Q, 1
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ret i1 %R
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; CHECK-LABEL: @test9(
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; CHECK-NEXT: add i32 %X, -1
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; CHECK-NEXT: icmp ult i32 {{.*}}, 2
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; CHECK-NEXT: ret i1
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}
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define i1 @test10_struct(i32 %x) {
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; CHECK-LABEL: @test10_struct(
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; CHECK: ret i1 false
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%p = getelementptr inbounds %Foo, %Foo* @GS, i32 %x, i32 0
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%q = load i32, i32* %p
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%r = icmp eq i32 %q, 9
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ret i1 %r
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}
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define i1 @test10_struct_noinbounds(i32 %x) {
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; CHECK-LABEL: @test10_struct_noinbounds(
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; CHECK: getelementptr %Foo, %Foo* @GS, i32 %x, i32 0
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%p = getelementptr %Foo, %Foo* @GS, i32 %x, i32 0
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%q = load i32, i32* %p
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%r = icmp eq i32 %q, 9
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ret i1 %r
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}
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; Test that the GEP indices are converted before we ever get here
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; Index < ptr size
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define i1 @test10_struct_i16(i16 %x){
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; CHECK-LABEL: @test10_struct_i16(
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; CHECK: ret i1 false
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%p = getelementptr inbounds %Foo, %Foo* @GS, i16 %x, i32 0
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%q = load i32, i32* %p
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%r = icmp eq i32 %q, 0
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ret i1 %r
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}
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; Test that the GEP indices are converted before we ever get here
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; Index > ptr size
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define i1 @test10_struct_i64(i64 %x){
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; CHECK-LABEL: @test10_struct_i64(
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; CHECK: ret i1 false
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%p = getelementptr inbounds %Foo, %Foo* @GS, i64 %x, i32 0
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%q = load i32, i32* %p
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%r = icmp eq i32 %q, 0
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ret i1 %r
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}
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define i1 @test10_struct_noinbounds_i16(i16 %x) {
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; CHECK-LABEL: @test10_struct_noinbounds_i16(
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; CHECK: %1 = sext i16 %x to i32
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; CHECK: getelementptr %Foo, %Foo* @GS, i32 %1, i32 0
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%p = getelementptr %Foo, %Foo* @GS, i16 %x, i32 0
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%q = load i32, i32* %p
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%r = icmp eq i32 %q, 0
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ret i1 %r
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}
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define i1 @test10_struct_arr(i32 %x) {
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; CHECK-LABEL: @test10_struct_arr(
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; CHECK-NEXT: %r = icmp ne i32 %x, 1
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; CHECK-NEXT: ret i1 %r
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%p = getelementptr inbounds [4 x %Foo], [4 x %Foo]* @GStructArr, i32 0, i32 %x, i32 2
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%q = load i32, i32* %p
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%r = icmp eq i32 %q, 9
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ret i1 %r
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}
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define i1 @test10_struct_arr_noinbounds(i32 %x) {
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; CHECK-LABEL: @test10_struct_arr_noinbounds(
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; CHECK-NEXT: %r = icmp ne i32 %x, 1
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; CHECK-NEXT: ret i1 %r
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%p = getelementptr [4 x %Foo], [4 x %Foo]* @GStructArr, i32 0, i32 %x, i32 2
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%q = load i32, i32* %p
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%r = icmp eq i32 %q, 9
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ret i1 %r
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}
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define i1 @test10_struct_arr_i16(i16 %x) {
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; CHECK-LABEL: @test10_struct_arr_i16(
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; CHECK-NEXT: %r = icmp ne i16 %x, 1
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; CHECK-NEXT: ret i1 %r
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%p = getelementptr inbounds [4 x %Foo], [4 x %Foo]* @GStructArr, i16 0, i16 %x, i32 2
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%q = load i32, i32* %p
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%r = icmp eq i32 %q, 9
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ret i1 %r
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}
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define i1 @test10_struct_arr_i64(i64 %x) {
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; CHECK-LABEL: @test10_struct_arr_i64(
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; CHECK-NEXT: trunc i64 %x to i32
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; CHECK-NEXT: %r = icmp ne i32 %1, 1
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; CHECK-NEXT: ret i1 %r
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%p = getelementptr inbounds [4 x %Foo], [4 x %Foo]* @GStructArr, i64 0, i64 %x, i32 2
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%q = load i32, i32* %p
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%r = icmp eq i32 %q, 9
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ret i1 %r
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}
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define i1 @test10_struct_arr_noinbounds_i16(i16 %x) {
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; CHECK-LABEL: @test10_struct_arr_noinbounds_i16(
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; CHECK-NEXT: %r = icmp ne i16 %x, 1
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%p = getelementptr [4 x %Foo], [4 x %Foo]* @GStructArr, i32 0, i16 %x, i32 2
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%q = load i32, i32* %p
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%r = icmp eq i32 %q, 9
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ret i1 %r
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}
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define i1 @test10_struct_arr_noinbounds_i64(i64 %x) {
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; CHECK-LABEL: @test10_struct_arr_noinbounds_i64(
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; CHECK: %r = icmp ne i32 %1, 1
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; CHECK-NEXT: ret i1 %r
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%p = getelementptr [4 x %Foo], [4 x %Foo]* @GStructArr, i32 0, i64 %x, i32 2
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%q = load i32, i32* %p
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%r = icmp eq i32 %q, 9
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ret i1 %r
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}
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