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llvm/trunk/test/CodeGen/SystemZ/fp-strict-conv-10.ll
; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | ; NOTE: Assertions have been autogenerated by utils/update_llc_test_checks.py | ||||
; Test strict conversion of floating-point values to unsigned i32s (z10 only). | ; Test strict conversion of floating-point values to unsigned i32s (z10 only). | ||||
; | ; | ||||
; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s | ; RUN: llc < %s -mtriple=s390x-linux-gnu -mcpu=z10 | FileCheck %s | ||||
; z10 doesn't have native support for unsigned fp-to-i32 conversions; | ; z10 doesn't have native support for unsigned fp-to-i32 conversions; | ||||
; they were added in z196 as the Convert to Logical family of instructions. | ; they were added in z196 as the Convert to Logical family of instructions. | ||||
; Promoting to i64 doesn't generate an inexact condition for values that are | ; Promoting to i64 doesn't generate an inexact condition for values that are | ||||
; outside the i32 range but in the i64 range, so use the default expansion. | ; outside the i32 range but in the i64 range, so use the default expansion. | ||||
; Note that the strict expansion sequence must be used. | ; Note that the strict expansion sequence must be used. | ||||
declare i32 @llvm.experimental.constrained.fptoui.i32.f32(float, metadata) | declare i32 @llvm.experimental.constrained.fptoui.i32.f32(float, metadata) | ||||
declare i32 @llvm.experimental.constrained.fptoui.i32.f64(double, metadata) | declare i32 @llvm.experimental.constrained.fptoui.i32.f64(double, metadata) | ||||
declare i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128, metadata) | declare i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128, metadata) | ||||
; Test f32->i32. | ; Test f32->i32. | ||||
define i32 @f1(float %f) { | define i32 @f1(float %f) #0 { | ||||
; CHECK-LABEL: f1: | ; CHECK-LABEL: f1: | ||||
; CHECK: # %bb.0: | ; CHECK: # %bb.0: | ||||
; CHECK-NEXT: larl %r1, .LCPI0_0 | ; CHECK-NEXT: larl %r1, .LCPI0_0 | ||||
; CHECK-NEXT: le %f1, 0(%r1) | ; CHECK-NEXT: le %f1, 0(%r1) | ||||
; CHECK-NEXT: cebr %f0, %f1 | ; CHECK-NEXT: cebr %f0, %f1 | ||||
; CHECK-NEXT: lhi %r0, 0 | ; CHECK-NEXT: lhi %r0, 0 | ||||
; CHECK-NEXT: jl .LBB0_2 | ; CHECK-NEXT: jl .LBB0_2 | ||||
; CHECK-NEXT: # %bb.1: | ; CHECK-NEXT: # %bb.1: | ||||
; CHECK-NEXT: sebr %f0, %f1 | ; CHECK-NEXT: sebr %f0, %f1 | ||||
; CHECK-NEXT: llilh %r0, 32768 | ; CHECK-NEXT: llilh %r0, 32768 | ||||
; CHECK-NEXT: .LBB0_2: | ; CHECK-NEXT: .LBB0_2: | ||||
; CHECK-NEXT: cfebr %r2, 5, %f0 | ; CHECK-NEXT: cfebr %r2, 5, %f0 | ||||
; CHECK-NEXT: xr %r2, %r0 | ; CHECK-NEXT: xr %r2, %r0 | ||||
; CHECK-NEXT: br %r14 | ; CHECK-NEXT: br %r14 | ||||
%conv = call i32 @llvm.experimental.constrained.fptoui.i32.f32(float %f, | %conv = call i32 @llvm.experimental.constrained.fptoui.i32.f32(float %f, | ||||
metadata !"fpexcept.strict") | metadata !"fpexcept.strict") #0 | ||||
ret i32 %conv | ret i32 %conv | ||||
} | } | ||||
; Test f64->i32. | ; Test f64->i32. | ||||
define i32 @f2(double %f) { | define i32 @f2(double %f) #0 { | ||||
; CHECK-LABEL: f2: | ; CHECK-LABEL: f2: | ||||
; CHECK: # %bb.0: | ; CHECK: # %bb.0: | ||||
; CHECK-NEXT: larl %r1, .LCPI1_0 | ; CHECK-NEXT: larl %r1, .LCPI1_0 | ||||
; CHECK-NEXT: ldeb %f1, 0(%r1) | ; CHECK-NEXT: ldeb %f1, 0(%r1) | ||||
; CHECK-NEXT: cdbr %f0, %f1 | ; CHECK-NEXT: cdbr %f0, %f1 | ||||
; CHECK-NEXT: lhi %r0, 0 | ; CHECK-NEXT: lhi %r0, 0 | ||||
; CHECK-NEXT: jl .LBB1_2 | ; CHECK-NEXT: jl .LBB1_2 | ||||
; CHECK-NEXT: # %bb.1: | ; CHECK-NEXT: # %bb.1: | ||||
; CHECK-NEXT: sdbr %f0, %f1 | ; CHECK-NEXT: sdbr %f0, %f1 | ||||
; CHECK-NEXT: llilh %r0, 32768 | ; CHECK-NEXT: llilh %r0, 32768 | ||||
; CHECK-NEXT: .LBB1_2: | ; CHECK-NEXT: .LBB1_2: | ||||
; CHECK-NEXT: cfdbr %r2, 5, %f0 | ; CHECK-NEXT: cfdbr %r2, 5, %f0 | ||||
; CHECK-NEXT: xr %r2, %r0 | ; CHECK-NEXT: xr %r2, %r0 | ||||
; CHECK-NEXT: br %r14 | ; CHECK-NEXT: br %r14 | ||||
%conv = call i32 @llvm.experimental.constrained.fptoui.i32.f64(double %f, | %conv = call i32 @llvm.experimental.constrained.fptoui.i32.f64(double %f, | ||||
metadata !"fpexcept.strict") | metadata !"fpexcept.strict") #0 | ||||
ret i32 %conv | ret i32 %conv | ||||
} | } | ||||
; Test f128->i32. | ; Test f128->i32. | ||||
define i32 @f3(fp128 *%src) { | define i32 @f3(fp128 *%src) #0 { | ||||
; CHECK-LABEL: f3: | ; CHECK-LABEL: f3: | ||||
; CHECK: # %bb.0: | ; CHECK: # %bb.0: | ||||
; CHECK-NEXT: ld %f0, 0(%r2) | ; CHECK-NEXT: ld %f0, 0(%r2) | ||||
; CHECK-NEXT: ld %f2, 8(%r2) | ; CHECK-NEXT: ld %f2, 8(%r2) | ||||
; CHECK-NEXT: larl %r1, .LCPI2_0 | ; CHECK-NEXT: larl %r1, .LCPI2_0 | ||||
; CHECK-NEXT: lxeb %f1, 0(%r1) | ; CHECK-NEXT: lxeb %f1, 0(%r1) | ||||
; CHECK-NEXT: cxbr %f0, %f1 | ; CHECK-NEXT: cxbr %f0, %f1 | ||||
; CHECK-NEXT: lhi %r0, 0 | ; CHECK-NEXT: lhi %r0, 0 | ||||
; CHECK-NEXT: jl .LBB2_2 | ; CHECK-NEXT: jl .LBB2_2 | ||||
; CHECK-NEXT: # %bb.1: | ; CHECK-NEXT: # %bb.1: | ||||
; CHECK-NEXT: sxbr %f0, %f1 | ; CHECK-NEXT: sxbr %f0, %f1 | ||||
; CHECK-NEXT: llilh %r0, 32768 | ; CHECK-NEXT: llilh %r0, 32768 | ||||
; CHECK-NEXT: .LBB2_2: | ; CHECK-NEXT: .LBB2_2: | ||||
; CHECK-NEXT: cfxbr %r2, 5, %f0 | ; CHECK-NEXT: cfxbr %r2, 5, %f0 | ||||
; CHECK-NEXT: xr %r2, %r0 | ; CHECK-NEXT: xr %r2, %r0 | ||||
; CHECK-NEXT: br %r14 | ; CHECK-NEXT: br %r14 | ||||
%f = load fp128, fp128 *%src | %f = load fp128, fp128 *%src | ||||
%conv = call i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128 %f, | %conv = call i32 @llvm.experimental.constrained.fptoui.i32.f128(fp128 %f, | ||||
metadata !"fpexcept.strict") | metadata !"fpexcept.strict") #0 | ||||
ret i32 %conv | ret i32 %conv | ||||
} | } | ||||
attributes #0 = { strictfp } |