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[InstCombine] Add a test for r290733 

llvm-svn: 290929
This commit is contained in:
David Majnemer 2017-01-04 02:21:37 +00:00
parent cb892e9066
commit b5e365c970
1 changed files with 71 additions and 0 deletions
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llvm/test/Transforms/InstCombine/sink-zext.ll Normal file
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; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
; RUN: opt < %s -instcombine -S | FileCheck %s
target datalayout = "e-m:e-i64:64-f80:128-n8:16:32:64-S128"
target triple = "x86_64-unknown-linux-gnu"
declare i32 @callee()
define i64 @test1(i32 %V) {
; CHECK-LABEL: @test1(
; CHECK-NEXT: [[CALL1:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[CALL2:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[ADDCONV:%.*]] = add nuw nsw i32 [[CALL1]], [[CALL2]]
; CHECK-NEXT: [[ADD:%.*]] = zext i32 [[ADD:%.*]]conv to i64
; CHECK-NEXT: ret i64 [[ADD]]
;
%call1 = call i32 @callee(), !range !0
%call2 = call i32 @callee(), !range !0
%zext1 = sext i32 %call1 to i64
%zext2 = sext i32 %call2 to i64
%add = add i64 %zext1, %zext2
ret i64 %add
}
define i64 @test2(i32 %V) {
; CHECK-LABEL: @test2(
; CHECK-NEXT: [[CALL1:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[CALL2:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[ADD:%.*]] = add nuw nsw i32 [[CALL1]], [[CALL2]]
; CHECK-NEXT: [[ZEXT1:%.*]] = zext i32 [[ADD]] to i64
; CHECK-NEXT: ret i64 [[ZEXT1]]
;
%call1 = call i32 @callee(), !range !0
%call2 = call i32 @callee(), !range !0
%add = add i32 %call1, %call2
%zext = sext i32 %add to i64
ret i64 %zext
}
define i64 @test3(i32 %V) {
; CHECK-LABEL: @test3(
; CHECK-NEXT: [[CALL1:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[CALL2:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[MULCONV:%.*]] = mul nuw nsw i32 [[CALL1]], [[CALL2]]
; CHECK-NEXT: [[ADD:%.*]] = zext i32 [[MULCONV]] to i64
; CHECK-NEXT: ret i64 [[ADD]]
;
%call1 = call i32 @callee(), !range !0
%call2 = call i32 @callee(), !range !0
%zext1 = sext i32 %call1 to i64
%zext2 = sext i32 %call2 to i64
%add = mul i64 %zext1, %zext2
ret i64 %add
}
define i64 @test4(i32 %V) {
; CHECK-LABEL: @test4(
; CHECK-NEXT: [[CALL1:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[CALL2:%.*]] = call i32 @callee(), !range !0
; CHECK-NEXT: [[ADD:%.*]] = mul nuw nsw i32 [[CALL1]], [[CALL2]]
; CHECK-NEXT: [[ZEXT1:%.*]] = zext i32 [[ADD]] to i64
; CHECK-NEXT: ret i64 [[ZEXT1]]
;
%call1 = call i32 @callee(), !range !0
%call2 = call i32 @callee(), !range !0
%add = mul i32 %call1, %call2
%zext = sext i32 %add to i64
ret i64 %zext
}
!0 = !{ i32 0, i32 2000 }