forked from OSchip/llvm-project
100 lines
2.9 KiB
LLVM
100 lines
2.9 KiB
LLVM
; Test that the exp2 library call simplifier works correctly.
|
|
;
|
|
; RUN: opt < %s -instcombine -S | FileCheck %s -check-prefix=CHECK -check-prefix=INTRINSIC -check-prefix=LDEXP -check-prefix=LDEXPF
|
|
; RUN: opt < %s -instcombine -S -mtriple=i386-pc-win32 | FileCheck %s -check-prefix=INTRINSIC -check-prefix=LDEXP -check-prefix=NOLDEXPF
|
|
; RUN: opt < %s -instcombine -S -mtriple=amdgcn-unknown-unknown | FileCheck %s -check-prefix=INTRINSIC -check-prefix=NOLDEXP -check-prefix=NOLDEXPF
|
|
|
|
target datalayout = "e-p:32:32:32-i1:8:8-i8:8:8-i16:16:16-i32:32:32-i64:32:64-f32:32:32-f64:32:64-v64:64:64-v128:128:128-a0:0:64-f80:128:128"
|
|
|
|
declare double @exp2(double)
|
|
declare float @exp2f(float)
|
|
|
|
; Check exp2(sitofp(x)) -> ldexp(1.0, sext(x)).
|
|
|
|
define double @test_simplify1(i32 %x) {
|
|
; CHECK-LABEL: @test_simplify1(
|
|
%conv = sitofp i32 %x to double
|
|
%ret = call double @exp2(double %conv)
|
|
; CHECK: call double @ldexp
|
|
ret double %ret
|
|
}
|
|
|
|
define double @test_simplify2(i16 signext %x) {
|
|
; CHECK-LABEL: @test_simplify2(
|
|
%conv = sitofp i16 %x to double
|
|
%ret = call double @exp2(double %conv)
|
|
; CHECK: call double @ldexp
|
|
ret double %ret
|
|
}
|
|
|
|
define double @test_simplify3(i8 signext %x) {
|
|
; CHECK-LABEL: @test_simplify3(
|
|
%conv = sitofp i8 %x to double
|
|
%ret = call double @exp2(double %conv)
|
|
; CHECK: call double @ldexp
|
|
ret double %ret
|
|
}
|
|
|
|
define float @test_simplify4(i32 %x) {
|
|
; CHECK-LABEL: @test_simplify4(
|
|
%conv = sitofp i32 %x to float
|
|
%ret = call float @exp2f(float %conv)
|
|
; CHECK: call float @ldexpf
|
|
ret float %ret
|
|
}
|
|
|
|
; Check exp2(uitofp(x)) -> ldexp(1.0, zext(x)).
|
|
|
|
define double @test_no_simplify1(i32 %x) {
|
|
; CHECK-LABEL: @test_no_simplify1(
|
|
%conv = uitofp i32 %x to double
|
|
%ret = call double @exp2(double %conv)
|
|
; CHECK: call double @exp2
|
|
ret double %ret
|
|
}
|
|
|
|
define double @test_simplify6(i16 zeroext %x) {
|
|
; CHECK-LABEL: @test_simplify6(
|
|
%conv = uitofp i16 %x to double
|
|
%ret = call double @exp2(double %conv)
|
|
; CHECK: call double @ldexp
|
|
ret double %ret
|
|
}
|
|
|
|
define double @test_simplify7(i8 zeroext %x) {
|
|
; CHECK-LABEL: @test_simplify7(
|
|
%conv = uitofp i8 %x to double
|
|
%ret = call double @exp2(double %conv)
|
|
; CHECK: call double @ldexp
|
|
ret double %ret
|
|
}
|
|
|
|
define float @test_simplify8(i8 zeroext %x) {
|
|
; CHECK-LABEL: @test_simplify8(
|
|
%conv = uitofp i8 %x to float
|
|
%ret = call float @exp2f(float %conv)
|
|
; CHECK: call float @ldexpf
|
|
ret float %ret
|
|
}
|
|
|
|
declare double @llvm.exp2.f64(double)
|
|
declare float @llvm.exp2.f32(float)
|
|
|
|
define double @test_simplify9(i8 zeroext %x) {
|
|
; INTRINSIC-LABEL: @test_simplify9(
|
|
%conv = uitofp i8 %x to double
|
|
%ret = call double @llvm.exp2.f64(double %conv)
|
|
; LDEXP: call double @ldexp
|
|
; NOLDEXP-NOT: call double @ldexp
|
|
ret double %ret
|
|
}
|
|
|
|
define float @test_simplify10(i8 zeroext %x) {
|
|
; INTRINSIC-LABEL: @test_simplify10(
|
|
%conv = uitofp i8 %x to float
|
|
%ret = call float @llvm.exp2.f32(float %conv)
|
|
; LDEXPF: call float @ldexpf
|
|
; NOLDEXPF-NOT: call float @ldexpf
|
|
ret float %ret
|
|
}
|