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llvm/trunk/test/CodeGen/SystemZ/fp-strict-conv-12.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 i64s (z10 only). | ; Test strict conversion of floating-point values to unsigned i64s (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-i64 conversions; | ; z10 doesn't have native support for unsigned fp-to-i64 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. | ||||
| ; Convert via signed i64s instead. | ; Convert via signed i64s instead. | ||||
| ; Note that the strict expansion sequence must be used. | ; Note that the strict expansion sequence must be used. | ||||
| declare i64 @llvm.experimental.constrained.fptoui.i64.f32(float, metadata) | declare i64 @llvm.experimental.constrained.fptoui.i64.f32(float, metadata) | ||||
| declare i64 @llvm.experimental.constrained.fptoui.i64.f64(double, metadata) | declare i64 @llvm.experimental.constrained.fptoui.i64.f64(double, metadata) | ||||
| declare i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128, metadata) | declare i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128, metadata) | ||||
| ; Test f32->i64. | ; Test f32->i64. | ||||
| define i64 @f1(float %f) { | define i64 @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: lghi %r0, 0 | ; CHECK-NEXT: lghi %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: llihh %r0, 32768 | ; CHECK-NEXT: llihh %r0, 32768 | ||||
| ; CHECK-NEXT: .LBB0_2: | ; CHECK-NEXT: .LBB0_2: | ||||
| ; CHECK-NEXT: cgebr %r2, 5, %f0 | ; CHECK-NEXT: cgebr %r2, 5, %f0 | ||||
| ; CHECK-NEXT: xgr %r2, %r0 | ; CHECK-NEXT: xgr %r2, %r0 | ||||
| ; CHECK-NEXT: br %r14 | ; CHECK-NEXT: br %r14 | ||||
| %conv = call i64 @llvm.experimental.constrained.fptoui.i64.f32(float %f, | %conv = call i64 @llvm.experimental.constrained.fptoui.i64.f32(float %f, | ||||
| metadata !"fpexcept.strict") | metadata !"fpexcept.strict") #0 | ||||
| ret i64 %conv | ret i64 %conv | ||||
| } | } | ||||
| ; Test f64->i64. | ; Test f64->i64. | ||||
| define i64 @f2(double %f) { | define i64 @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: lghi %r0, 0 | ; CHECK-NEXT: lghi %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: llihh %r0, 32768 | ; CHECK-NEXT: llihh %r0, 32768 | ||||
| ; CHECK-NEXT: .LBB1_2: | ; CHECK-NEXT: .LBB1_2: | ||||
| ; CHECK-NEXT: cgdbr %r2, 5, %f0 | ; CHECK-NEXT: cgdbr %r2, 5, %f0 | ||||
| ; CHECK-NEXT: xgr %r2, %r0 | ; CHECK-NEXT: xgr %r2, %r0 | ||||
| ; CHECK-NEXT: br %r14 | ; CHECK-NEXT: br %r14 | ||||
| %conv = call i64 @llvm.experimental.constrained.fptoui.i64.f64(double %f, | %conv = call i64 @llvm.experimental.constrained.fptoui.i64.f64(double %f, | ||||
| metadata !"fpexcept.strict") | metadata !"fpexcept.strict") #0 | ||||
| ret i64 %conv | ret i64 %conv | ||||
| } | } | ||||
| ; Test f128->i64. | ; Test f128->i64. | ||||
| define i64 @f3(fp128 *%src) { | define i64 @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: lghi %r0, 0 | ; CHECK-NEXT: lghi %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: llihh %r0, 32768 | ; CHECK-NEXT: llihh %r0, 32768 | ||||
| ; CHECK-NEXT: .LBB2_2: | ; CHECK-NEXT: .LBB2_2: | ||||
| ; CHECK-NEXT: cgxbr %r2, 5, %f0 | ; CHECK-NEXT: cgxbr %r2, 5, %f0 | ||||
| ; CHECK-NEXT: xgr %r2, %r0 | ; CHECK-NEXT: xgr %r2, %r0 | ||||
| ; CHECK-NEXT: br %r14 | ; CHECK-NEXT: br %r14 | ||||
| %f = load fp128, fp128 *%src | %f = load fp128, fp128 *%src | ||||
| %conv = call i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128 %f, | %conv = call i64 @llvm.experimental.constrained.fptoui.i64.f128(fp128 %f, | ||||
| metadata !"fpexcept.strict") | metadata !"fpexcept.strict") #0 | ||||
| ret i64 %conv | ret i64 %conv | ||||
| } | } | ||||
| attributes #0 = { strictfp } | |||||